package netty.server;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
import io.netty.handler.codec.Delimiters;
import io.netty.handler.codec.bytes.ByteArrayDecoder;
import io.netty.handler.codec.bytes.ByteArrayEncoder;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;

public class ServerInitializer extends ChannelInitializer<SocketChannel> {

    @Override
    protected void initChannel(SocketChannel ch) throws Exception {
        ChannelPipeline pipeline = ch.pipeline();

        // tail is ("\n") split decoder
        pipeline.addLast("framer", new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter()));

        // string decoder and encoder
//        pipeline.addLast("decoder", new StringDecoder());
//        pipeline.addLast("encoder", new StringEncoder());
        // byte decoder and encoder
        pipeline.addLast("decoder", new ByteArrayDecoder());
        pipeline.addLast("encoder", new ByteArrayEncoder());

        // my Handler
        pipeline.addLast("handler", new ServerHandler());
    }
}